<MyComponent
  {{! this is a comment for arg 1}}
  @arg1="hello"
  {{on "clik" this.modify}}
  @arg2="hello"
  {{! this is a comment for arg 3}}
  @arg3="hello"
  @arg4="hello"
  {{! this is a comment for arg 5}}
  @arg5="hello"
  ...arguments
/>
